package com.ktjy.utils;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.IOException;
import java.io.InputStream;

public class MyBatisUtil {
    private static SqlSessionFactory sqlSessionFactory;
    static {
        try {
            InputStream is = Resources.getResourceAsStream("mybatis-config.xml");
            sqlSessionFactory = new SqlSessionFactoryBuilder().build(is);
        }catch (IOException e){
            throw new RuntimeException("初始化失败",e);
        }
    }
    public static SqlSession createSqlSession(){
        return sqlSessionFactory.openSession(false);
    }

    public static void close(SqlSession sqlSession){
        if(sqlSession != null){
            sqlSession.close();
        }
    }
}
